FlexPAK DX
Error
Possible cause
Solution
Defect pressure
sensor.
The pressure sensor is connected to PLC input 8 and an in-
verter input +AI1 terminal (2). The sensors measurement
range is 0 to -40 kPa. The signal goes from 10 to 0 V and 0
to -40 kPa, which gives 10 V at 0 kPa and 0 V at -40 kPa.
Measure the voltage signal at the inverter, between ter-
minals 2 (+) and 7 (-). When the motor is off, the input sig-
nal at terminal 2 has to be 10 V, and when the motor is run-
ning, the signal is 0 to10 V depending on the pressure level
in the system.
To check whether the sensor input is working, disconnect
the pressure sensor wire at terminal 2 and connect a jump-
er between terminals 2 and 1. Press the OK button on the
PLC to reset the alert.
If the alert disappears, the pressure sensor input is working
and you will have to replace the pressure sensor.
Deposits or blockage in ducts on
the way to the unit.
• Clean the ducts.
• Check the transport velocity.
The duct system is not properly
dimensioned.
Re-dimension the duct system or add an extra suction
source.
Valves in the duct system are not
working.
Check the duct system valves.
Low vacuum or air
flow.
The filter cleaning does not work
or is insufficient.
Check the function of the filter cleaning.
The control filter is blocked.
• Turn off the fan and check that the yellow fault indicator
light goes out. If not, the pressure sensor is broken or the
airlines blocked.
• Replace the control filter.
• Check the main filter for damage.
The Ø 6 mm hoses to the pressure
sensor are blocked or damaged.
Clean or replace the hoses.
The pressure sensor and/or filter
are not connected properly.
Check the connections.
The pressure sensor is set too
low.
Increase the setting (default: 4 kPa (0,58 psi)).
Control filter pres-
sure sensor is activ-
ated.
The pressure sensor is broken.
Replace
29
Summary of Contents for FlexPAK DX
Page 7: ...FlexPAK DX A E E A B C D G F 3A J I H 45 3B 7 ...
Page 8: ...FlexPAK DX 13 12 10 9 7 8 2 1 3 4 6 5 11 4A 11 7 8 9 12 13 15 14 17 16 10 18 4B 8 ...
Page 10: ...FlexPAK DX 6 A B 7 10 ...
Page 13: ...FlexPAK DX 11 12 13 14 13 ...
Page 14: ...FlexPAK DX A A A A C Min 2 1m 83 15 1 0 m 39 4 16 A B C 17 14 ...
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